CN108151351A - A kind of integrated water cooling and the Multifucntional outdoor unit of air-cooled heat exchange - Google Patents
A kind of integrated water cooling and the Multifucntional outdoor unit of air-cooled heat exchange Download PDFInfo
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- CN108151351A CN108151351A CN201711493282.3A CN201711493282A CN108151351A CN 108151351 A CN108151351 A CN 108151351A CN 201711493282 A CN201711493282 A CN 201711493282A CN 108151351 A CN108151351 A CN 108151351A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 253
- 238000001816 cooling Methods 0.000 title claims abstract description 71
- 239000003507 refrigerant Substances 0.000 claims abstract description 74
- 238000004378 air conditioning Methods 0.000 claims abstract description 33
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 23
- BYUKRKALWSMYBW-UHFFFAOYSA-N O.[F] Chemical compound O.[F] BYUKRKALWSMYBW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 238000005265 energy consumption Methods 0.000 abstract description 10
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- 229910001069 Ti alloy Inorganic materials 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to air conditioner indoor unit fields, and in particular to a kind of integrated water cooling and the indoor unit of air-cooled heat exchange.It includes compressor, four-way reversing valve, fan coil, the second expansion valve and air-conditioning coil pipe, it further includes screw shell heat-exhanger, adjust water pump and water-water heat exchanger, the screw shell heat-exhanger has carries out the inner tube pipeline of heat exchange and outer tube pipeline each other, the circulation of inner tube pipeline is refrigerant, the circulation of outer tube pipeline is water, fan coil, inner tube pipeline, the second expansion valve, air-conditioning coil pipe, four-way reversing valve, compressor are sequentially connected with to form circulation loop, and outer tube pipeline, adjusting water pump and water-water heat exchanger are in turn connected to form circulation loop.The heat part being released in air originally is allowed to be recycled, saves fan energy consumption to a certain extent.It can access various heating sources water route when being used as heat pump outdoor unit simultaneously, become water source, air source composite heat pump, heat source is increased using type, and can balance use ratio, plays the role of reducing energy consumption, space-saving.
Description
Technical field
The present invention relates to air conditioner indoor unit fields, and in particular to a kind of integrated water cooling and the indoor unit of air-cooled heat exchange.
Background technology
The outdoor unit structure difference very little of standard element machine, function are single.It is not very high for space availability ratio.
It is cold that air-cooled heat exchange efficiency is generally below liquid（Water cooling）, the fan energy consumption that works long hours can not be ignored.And as unit machine sky
A part for adjusting system is in use, be only used for diffusing away the heat that interior is transferred out by fan coil.This part heat
Amount is lost in surrounding air, not only influences the thermal balance of environment, while is also a kind of waste.
Invention content
To solve the above problems, the present invention provides the outdoor unit of a kind of integrated water cooling and air-cooled heat exchange, it can recycle release
Heat in air.
A kind of integrated water cooling and the outdoor unit of air-cooled heat exchange, including compressor, four-way reversing valve, fan coil, second swollen
Swollen valve and air-conditioning coil pipe further include a screw shell heat-exhanger and water-water heat exchanger, the screw shell heat-exhanger tool
Have and carry out the inner tube pipeline of heat exchange and outer tube pipeline each other, the circulation of inner tube pipeline is refrigerant, the circulation of outer tube pipeline
It is water, fan coil, inner tube pipeline, the second expansion valve, air-conditioning coil pipe, four-way reversing valve, compressor are sequentially connected with to form cycle
Circuit, outer tube pipeline form circulation loop with water-water heat exchanger.
Include air-cooled branch and water cooling branch in this patent inside outdoor unit, air-cooled branch uses the wind turbine of conventional outdoor unit
Coil pipe, water cooling branch use screw shell heat-exhanger.Air-cooled branch refers to be connected between four-way reversing valve and air-conditioning coil pipe
The branch of conventional outdoor unit fan coil；Water cooling branch refers to be connected with spiral between four-way reversing valve and air-conditioning coil pipe in finger
The branch of double-tube heat exchanger.In summer, indoor host computer is refrigeration mode.Outdoor unit is responsible for as condensation end by room conditioning disk
The heat that pipe absorbs dissipates away.Fan coil while the heat of sending out indoor unit is dissipated to outdoor air, series connection
The rich heat of water cooling branch draw refrigerant, the water in the outer pipeline of heating coil double-tube heat exchanger, then water is from outdoor unit
Outlet pipe flows out, and into water-water heat exchanger, heats the domestic hot-water of water tank, its temperature is made to be higher than room temperature.Indoor transfer
The screw shell heat-exhanger that heat out is connected absorbs, this partial heat is made no longer to be lost in surrounding air, ensure that
The thermal balance of environment avoids waste.
Further, the first expansion valve, the first solenoid valve, second solenoid valve, triple valve four are further included, fan coil is successively
It is connect by the first solenoid valve, the second expansion valve with air-conditioning coil pipe, triple valve four is set on the pipeline of compressor connection fan coil,
One end of inner tube pipeline connection fan coil is additionally coupled to triple valve four.Water cooling branch can not only connect with air-cooled branch, also
The pattern of water cooling branch and air-cooled branch circuit parallel connection can be switched to by triple valve four.I.e. from the pipeline of compressor outlet via threeway
The effect of valve four is divided into two branches, and a branch is sequentially connected air-cooled coil pipe, the first expansion valve；Another branch connects successively
Outer pipeline, the second expansion valve are connect, two branches reconnect air-conditioning coil pipe after converging.Similarly, fan coil is by indoor unit
While the heat of submitting is dissipated to outdoor air, the rich heat of water cooling branch draw refrigerant in parallel, heating coil set
Water in the outer pipeline of heat exchange of heat pipe, then water is from the outflow of outdoor unit outlet pipe, into water-water heat exchanger, heating water tank
Domestic hot-water, make its temperature be higher than room temperature.
Further, triple valve four connects and triple valve five is set on the pipeline of inner tube pipeline, and triple valve four connects fan unit
Triple valve three on the pipeline of pipe is set, first check-valve is set on the pipeline of fan coil connection inner tube pipeline；Triple valve threeway
Cross second check-valve connection inner tube pipeline；The fan coil, triple valve three, inner tube pipeline, triple valve five, triple valve four, four
Logical reversal valve, compressor are in turn connected to form circulation loop；Further include fluorine-water heat exchanger, third solenoid valve, the 4th electromagnetism
Valve, third solenoid valve, the 4th solenoid valve are connected to air-conditioning coil pipe and the first expansion valve to fluorine-water heat exchanger respectively.In winter,
Indoor host computer is heating mode.In refrigerant release end of heat, fluorine-water heat exchanger of conventional air-source water heater is set, then may be used
To manufacture domestic hot-water in heat storage water tank.
Further, water source heat exchanger is further included, outer tube pipeline is formed on circulation loop with water-water heat exchanger and set
Triple valve one and triple valve two are put, outer tube pipeline forms circulation loop with triple valve two, water source heat exchanger, triple valve one.Room
Outer machine is responsible for drawing the heat of external environment and is transferred into interior as evaporation ends.Switch screw shell heat-exhanger at this time
Recirculated water of the outer tube pipeline water inlet for water resource heat pump, and pass through four-way reversing valve and switch refrigerant flow direction.Similarly, wind is allocated
The refrigerant flow of cold bypass flow and water cooling branch.Recirculated water carries the heat of water source heat source, and spiral is flowed through by circulating pump
The outer tube of double-tube heat exchanger.Refrigerant in interior pipeline draws the heat of recirculated water, and evaporation becomes gaseous state.Fan coil simultaneously
In refrigerant suction air in heat, also partial gasification.Vapor phase refrigerant is delivered to interior by scroll compressor compresses,
Air-conditioning coil condensation heat release indoors.During heat absorption, other heat source carrier water routes are accessed, are changed by screw shell
Hot device draws heat therein, on the one hand reduces from the heat that takes in air, and evaporation capacity of the refrigerant in air-cooled coil pipe is reduced,
Reduce coil pipe frosting degree and the amount of work of defrost.On the other hand, heat source utilization scope is expanded, and total Energy Efficiency Ratio obtains
To raising.
Further, the screw shell heat-exhanger is arranged on bottom and slightly pushes up in thin radome fairing, is set below the radome fairing
Braced frame is put, compressor is set in the braced frame.This patent is in the situation little to coil pipe ventilation heat exchange flow
Under, increase some heat recovery components, improve the space availability ratio of equipment, reduce energy consumption.In actual operation, below wind turbine
Air-flow gather from surrounding to centre, and upward dispatch.Screw shell heat-exhanger is placed in radome fairing, the heat exchange of internal flow
It is not influenced by cross-ventilated.The shape of radome fairing to hold together most of poly- stream condition across heat exchange fin to center simultaneously
Original flow direction is kept, air current composition does not generate big disorder, and the heat exchange of air-cooled coil pipe is not also had an impact.Screw shell
Lower section is the support frame structure of four legs, other than frame height acts on, also provides mounting base for radome fairing.After opening backboard, frame is high
Screw shell not only easily carry out installation maintenance operation, also help underlying space walks pipe.Setting compression in braced frame
Machine accommodates various pipes together, effectively utilizes the inner space of outdoor machine equipment.Equipment overall structure is compact, occupied space
It is small.
Further, the outer wall winding heat preservation adhesive tape of screw shell heat-exhanger.Using the heat insulating ability radome fairing of special designing
Screw shell heat-exhanger is wrapped up, it is made to avoid influence of the surrounding flow to set intraductal heat exchange.
The advantageous effect of this patent is that this patent is integrated water cooling and air-cooled set composite type air conditioner outdoor unit.Wind
Cold branch is using the fan coil of conventional outdoor unit, and water cooling branch is using screw shell heat-exhanger.In summer as heat dissipation equipment,
It is matched with indoor air-conditioning coil pipe and Minitype domestic hot water producing equipment, fan coil is dissipated by the heat that indoor unit is sent out
While being put into outdoor air, and the surplus heat of water cooling branch draw refrigerant for connecing or concatenating, heating coil sleeve heat exchange
The recirculated water of device outer tube.Recirculated water flows into indoor equipment and heat is returned to domestic water, make its temperature under the driving of water pump
Higher than room temperature, meet some life requirements.In winter as the outdoor unit of air source heat pump, and some heat source water lines, such as
Remaining hot water, solar water, GEOTHERMAL WATER etc. match.Circulation waterway exchanges heat, the heat drawn exists by switching with heat source water
Refrigerant is transferred in screw shell heat-exhanger, promotes its evaporation.Water cooling branch concatenates air-cooled branch, and subsequent refrigerant is again through wind
Cooling coil evaporation endothermic.Two parts heat is transferred to interior by refrigerant altogether, for room heat supply or produces life heat
Water.A tractor serves several purposes is achieved in, thermal adaptability and heat source applicability are better than conventional air-conditioner outdoor unit.Bosom setting four
Leg frame structure supports screw shell heat-exhanger, and using the heat insulating ability radome fairing package screw shell heat exchange of special designing
Device makes it avoid influence of the surrounding flow to set intraductal heat exchange.The pipeline arrangement of braced frame periphery lower section, effectively utilizes room
The inner space of outer machine equipment.Equipment overall structure is compact, occupies little space.
Description of the drawings
Fig. 1 is outdoor unit into schematic diagram.
Fig. 2 is the operation logic figure of air-cooled branch series connection water cooling branch under radiating mode.
Fig. 3 is the operation logic figure of air-cooled branch circuit parallel connection water cooling branch under radiating mode.
Fig. 4 is the operation logic figure of air-cooled branch series connection water cooling branch under heat absorption pattern.
Fig. 5 is this patent outdoor unit internal structure chart.
Fig. 6 is screw shell heat-exhanger structure chart.
Fig. 7 is the threeway Vavle switching schematic diagram of air-cooled branch series connection water cooling branch under radiating mode.
Fig. 8 is the threeway Vavle switching schematic diagram of air-cooled branch circuit parallel connection water cooling branch under radiating mode.
Fig. 9 is the threeway Vavle switching schematic diagram of air-cooled branch circuit parallel connection water cooling branch under heat absorption pattern.
Figure includes wind turbine 1, air-cooled coil pipe 2, compressor 3, four-way reversing valve 4, triple valve 1, triple valve 26, threeway
Valve 37, triple valve 48, triple valve 59, triple valve 6 10, the first expansion valve 11, the second expansion valve 12, the first solenoid valve 13,
Second solenoid valve 14, third solenoid valve 15, the 4th solenoid valve 16, screw shell heat-exhanger 17, water circulating pump 18, first check-valve
19th, second check-valve 20, third check-valves 21, water-water heat exchanger 22, fluoro- water heat exchanger 23, water source heat exchanger 24,
Air-conditioning coil pipe 25, fan coil 26, radome fairing 27, braced frame 28, blower motor 29.
Specific embodiment
This patent is further described below in conjunction with attached drawing.
The outdoor unit structure difference very little of standard element machine, function are single.It is not very high for space availability ratio.
It is cold that air-cooled heat exchange efficiency is generally below liquid（Water cooling）, the fan energy consumption that works long hours can not be ignored.And as unit machine sky
A part for adjusting system is in use, be only used for diffusing away the heat that interior is transferred out by fan coil.This part heat
Amount is lost in surrounding air, not only influences the thermal balance of environment, while is also a kind of waste.Outdoor unit is as air source heat pump
A part in use, its low temperature adaptability is always technological difficulties.Evaporating temperature is low so that easy frosting on heat exchange coil,
Heat transfer effect is influenced, increases compression mechanism thermic load.Therefore it is bad in severe cold area use in winter air energy thermal energy economy.Very
More research institutions and company are proposed the concept of double-source heat pump, but apply few, and there are complete unit quantity is various, are
The deficiency for complexity of uniting.Therefore a kind of Intensive Design is needed, multiple functions is integrated in one, and using the section of various heating sources
It can system unit.In the case of little to coil pipe ventilation heat exchange flow, some heat recovery components can be increased, improve equipment
Space availability ratio, reduce energy consumption.
As shown in Figure 1 for outdoor unit into principle schematic, Fig. 1 embodies the operation logic figure under three kinds of operating modes.
Fig. 2 is the operation logic figure of air-cooled branch series connection water cooling branch under radiating mode.Fig. 2 includes compressor 3, four-way changes
To valve 4, wind turbine 1, air-cooled coil pipe 2, the second expansion valve 12 and air-conditioning coil pipe 25, further include a screw shell heat-exhanger 17, follow
Ring water pump 18, water-water heat exchanger 22.
As shown in fig. 6, screw shell heat-exhanger has carries out the inner tube pipeline of heat exchange and outer tube pipeline, inner tube each other
Pipeline circulation is refrigerant, and the circulation of outer tube pipeline is water.In Fig. 2, wind turbine 1 connects the fan coil that air-cooled coil pipe 2 is formed
26th, inner tube pipeline, the second expansion valve 12, air-conditioning coil pipe 25, four-way reversing valve 4, compressor 3 are sequentially connected with to form circulation loop,
Outer tube pipeline, water circulating pump 18, water-water heat exchanger 22 are in turn connected to form circulation loop.
Radiating mode refers to that in summer indoor host computer is refrigeration mode, and outdoor unit is responsible for as condensation end by room conditioning
The heat that coil pipe 25 absorbs dissipates away.Air-cooled branch refers to be connected with routine between four-way reversing valve 4 and air-conditioning coil pipe 25
The branch of outdoor unit fan coil 26；Water cooling branch refers to be connected with spiral shell between four-way reversing valve 4 and air-conditioning coil pipe 25 in finger
The branch of rotation set heat exchange of heat pipe 17.By allocating the refrigerant flow of air-cooled bypass flow and water cooling branch, two-way can be realized
The division of dissipation heat ratio.On the one hand, fan coil 26 is while the heat for sending out indoor unit is dissipated to outdoor air, series connection
Water cooling branch draw refrigerant rich heat；Recirculated water in 17 outer tube pipeline of another aspect screw shell heat-exhanger passes through
The outer tube of screw shell heat-exhanger 17 is flowed through in the acting of water circulating pump 18, then the recirculated water in outer tube pipeline is water cooled branch
Refrigerant heat becomes 45 DEG C of hot water.It is flowed out from outdoor unit outlet pipe, into water-water heat exchanger 22, heats water tank
Domestic hot-water.
Fig. 3 is the operation logic figure of air-cooled branch circuit parallel connection water cooling branch under radiating mode.Fig. 3 includes compressor 3, four-way changes
To valve 4, wind turbine 1, air-cooled coil pipe 2, the first expansion valve 11, the second expansion valve 12, air-conditioning coil pipe 25, screw shell heat-exhanger 17,
Water circulating pump 18, water-water heat exchanger 22, triple valve 48.Wind turbine 1 connects the fan coil 26 that air-cooled coil pipe 2 forms and passes through
Second expansion valve 12 is connect with air-conditioning coil pipe 25, and compressor 3 connects and sets triple valve 48, inner tube pipe on the pipeline of fan coil 26
One end of road connection fan coil 26 is additionally coupled to triple valve 48.Fig. 2 is air-cooled branch series connection water cooling branch under radiating mode
Operation logic, Fig. 3 are then the operation logic figures of air-cooled branch circuit parallel connection water cooling branch under radiating mode.Water cooling branch not only can be with
Air-cooled branch series connection, moreover it is possible to the pattern of water cooling branch and air-cooled branch circuit parallel connection is switched to by triple valve 48, i.e., from compressor 3
The pipeline of outlet is divided into two branches via the effect of triple valve 48, and a branch is sequentially connected air-cooled coil pipe, the first expansion
Valve；Another branch is sequentially connected outer pipeline, the second expansion valve, and two branches reconnect air-conditioning coil pipe after converging.Similarly,
Fan coil 26 while the heat of sending out indoor unit is dissipated to outdoor air, water cooling branch draw refrigerant in parallel
Rich heat, the water in 17 outer pipeline of heating coil double-tube heat exchanger, then water flowed out from outdoor unit outlet pipe, into water-
Water heat exchanger 22 heats the domestic hot-water of water tank, its temperature is made to be higher than room temperature.
Fig. 4 is the operation logic figure of air-cooled branch series connection water cooling branch under heat absorption pattern.Fig. 4 includes wind turbine 1, air-cooled coil pipe
2nd, compressor 3, four-way reversing valve 4, the first expansion valve 11, air-conditioning coil pipe 25, it is screw shell heat-exhanger 17, water circulating pump 18, fluoro-
Water heat exchanger 24, water source heat exchanger 25.Air-conditioning coil pipe 25, fluoro- water heat exchanger 24, fan coil 26, inner tube pipeline, four
Logical reversal valve 4, compressor 3 are in turn connected to form a circulation loop；Outer tube pipeline is recycled back to the formation of water source heat exchanger 25
Road.
Heat absorption pattern refers to that in winter indoor host computer is heating mode, and outdoor unit is responsible for drawing extraneous ring as evaporation ends
The heat in border is simultaneously transferred into interior.Since indoor host computer is heating mode, in refrigerant release end of heat i.e. in the first expansion valve
Fluorine-water heat exchanger of conventional air-source water heater between 11 and air-conditioning coil pipe 25 is set, then can be to be manufactured in heat storage water tank
Domestic hot-water.Outdoor unit is responsible for drawing the heat of external environment and is transferred into interior, switch spiral at this time as evaporation ends
Recirculated water of the outer tube pipeline water inlet of double-tube heat exchanger 17 for water resource heat pump, that is, by outer tube pipeline and water source heat exchanger 25
Circulation loop is formed, and passes through four-way reversing valve 4 and switches refrigerant flow direction.Similarly, air-cooled bypass flow and water cooling branch are allocated
The refrigerant flow on road.Recirculated water carries the heat of water source heat source, and the outer tube of screw shell heat-exhanger 17 is flowed through by circulating pump.
Refrigerant in interior pipeline draws the heat of recirculated water, and evaporation becomes gaseous state.Refrigerant suction in fan coil 26 simultaneously
Heat in air, also partial gasification.Vapor phase refrigerant is compressed by compressor 3, is delivered to interior, and air-conditioning coil pipe indoors is cold
Solidifying heat release.During heat absorption, other heat source carrier water routes are accessed, heat therein is drawn by screw shell heat-exhanger 17
On the one hand amount is reduced from the heat that takes in air, evaporation capacity of the refrigerant in air-cooled coil pipe 26 is reduced, and reduces coil pipe frosting
Amount and the amount of work of defrost.On the other hand, heat source utilization scope is expanded, and total Energy Efficiency Ratio is improved.
Element in Fig. 1 in dotted line frame contained by this patent outdoor unit.Pay attention to Fig. 1 to Fig. 4, gas-liquid separation in Fig. 7 to Fig. 9
Device, capillary, non-return valve, is filled with mouth, high-pressure manometer, low pressure gauge, high pressure protector, low-voltage variation dress at liquid visor
It puts and components is waited not to be reflected out, and inside practical outdoor unit, these components all exist.
To sum up, four-way reversing valve 4 makes system in refrigeration mode and heating mode（The radiating mode of outdoor unit and heat absorption mould
Formula）Between convert.Water route switching is realized by triple valve 37, triple valve 48, triple valve 59.As shown in Figure 1, when four-way changes
When refrigerant flow path being switched to heating mode to valve 4, triple valve A accesses and the incoming of the recirculated water after water source heat exchange, three
Port valve B connects the reflux for returning to water source heat exchanger 25.When refrigerant is switched to refrigeration mode by four-way reversing valve 4,
Triple valve A accesses the incoming of water-water heat exchanger 22, and triple valve B connects the reflux of water-water heat exchanger 22.
String and switching and assignment of traffic of the refrigerant between air-cooled branch and water cooling branch pass through triple valve 37, triple valve
48, triple valve 59 and first check-valve 19, second check-valve 20 are realized.Wherein triple valve 48 has the function of assignment of traffic.
Triple valve 6 10 and third check-valves 21 can be realized suitable between refrigerant-recirculated water in screw shell heat-exhanger 17
Stream heat exchange and the conversion of countercurrent flow determine that refrigerant is bottom in inner tube into above going out or enterprising bottom goes out, and is thus provided not
Same heat exchange efficiency selection.
First expansion valve 11 corresponds to the air-cooled branch of 25 refrigerant of air-conditioning coil pipe reflux, and the second expansion valve 12 corresponds to air-conditioning
The water-cooling loop of 25 refrigerant of coil pipe reflux.Fluoro- water heat exchanger is concatenated by third solenoid valve 15, the 4th solenoid valve 16 into swollen
Refrigerant flow path after swollen valve.
Water circulating pump 18 is responsible for providing head of the recirculated water in 17 the inside of screw shell heat-exhanger.The threeway that this patent uses
Valve is all three-way solenoid valve, and water route is different with the type of refrigerant flow path.
Refrigerant flows successively through the concatenation route of air-cooled branch and water cooling branch composition in Fig. 7, finally via the second expansion
After valve 12 in fan coil 25 sweat cooling.Institute's received heat is passed through the water-water heat exchanger in heat storage water tank by water cooling branch
22 are transferred in domestic water.
Refrigerant is divided into two-way in triple valve 48 and is flowed respectively into air-cooled branch and water cooling branch in Fig. 8, respectively the
Confluence flows into fan coil 25 after being expanded in one expansion valve 11, the second expansion valve 12, starts refrigeration cycle.As 7, water cooling branch
Institute's received heat is transferred to by the water water heat exchanger in heat storage water tank in domestic water by road.
The water inlet of water circulating pump 18 is converted to the indirect heat exchange water of heat source water in Fig. 9.Refrigerant flow direction outside compressor 3 changes
Become.Refrigerant first passes through water cooling branch, in 17 interior suction thermal evaporation of a screw shell heat-exhanger part, subsequently flows into fan coil
25, continue to evaporate, absorb the heat of surrounding air.Boil-off gas after heat absorption first flows into fluoro- water heat exchanger 23（It can also use
Screw shell heat-exhanger）, the domestic water of heat storage water tank is heated, is then flowed into fan coil 25, with air heat-exchange heating.
A kind of reference that pipeline arrangement in Fig. 5 is designed as this patent system pipeline, wherein the system from indoor equipment
Cryogen returns liquid pipe nozzle and the disengaging interface tube of circulating water loop is all disposed within the machine back of the body.Four leg braced frames for four-way reversing valve and
The installation of pipe code etc. provides fixed rely on.In the case of little to coil pipe ventilation heat exchange flow, the sky of equipment can be improved
Between utilization rate, so as to reduce energy consumption.Screw shell heat-exhanger 18 in outdoor machine shell body on position, insulation sponge
Package.Outside is the radome fairing 27 of special designing, and slightly top is thin at bottom.The radius of gyration of 1 blade of a diameter of wind turbine of thickness.Spiral
The lower section of double-tube heat exchanger 18 is 28 structure of braced frame of four legs, other than frame height acts on, also provides installation for radome fairing 27
Seat.Compressor 3 is preferably screw compressor, in braced frame 28, the top of screw compressor 3 stretch into cannula center segment away from
From.
Screw shell heat-exhanger 17 is arranged on bottom and slightly pushes up in thin radome fairing 27, the 27 lower section setting support frame of radome fairing
Frame 28.In actual operation, the air-flow below wind turbine 1 gathers from surrounding to centre, and upward dispatch.Due to screw shell heat-exhanger
17 are placed in radome fairing 27, and the heat exchange of internal flow is not influenced by cross-ventilated.The shape of radome fairing 27 to wear simultaneously
It crosses heat exchange fin and holds together the flow direction that most of poly- stream condition keeps original to center, air current composition does not generate big disorder, right
The heat exchange of air-cooled coil pipe 26 does not also have an impact.The lower section of screw shell heat-exhanger 17 is the support frame structure of four legs, in addition to
The effect of frame height is outer, also provides mounting base for radome fairing.After opening backboard, the high screw shell heat-exhanger 17 of frame not only easily carries out
Installation maintenance operates, and also help underlying space walks pipe.
The structure type of this patent is improved on the basis of conventional outdoor unit, it is therefore an objective to improve the space utilization of equipment
Rate reduces energy consumption..As shown in figure 5,1 lower section of cooling fan is the screw shell heat-exhanger 17 with radome fairing 27.By four
Leg braced frame 28 is placed on 3 top of compressor.28 frame of support frame is fixed on outdoor machine base.Compressor 3 is regular air
The scroll compressor that energy heat pump product uses.27 top of radome fairing connects with blower motor 29, and certain branch is provided for the latter
Support.Heat absorption pattern can by and the water-cooled jacket circuit that connects, the partial heat distributed of blower motor 29 is passed to circulation waterway
In, it is absorbed by heat pump system.The fixed seat of compressor 3, water circulating pump 18, four-way reversing valve 4 etc. is all conventional hardware.
This patent combination water cooling and air-cooled two kinds of heat exchange modes, in the inner space of traditional 26 outdoor unit of fan coil,
Ingenious arrangement screw sleeve type water cooling heat exchanger 17 and other component, form compound external heat-exchanging equipment.Whole device has
Multiple functions, the refrigerant heat cooling water during heat extraction produce the domestic hot-water higher than room temperature, meet special need
It will.During heat absorptions, other heat source carrier water routes are accessed, heat therein is drawn by screw shell heat-exhanger 17,
On the one hand it reducing from the heat that takes in air, evaporation capacity of the refrigerant in air-cooled coil pipe is reduced, and reduces coil pipe frosting degree, with
And the amount of work of defrost.On the other hand, heat source utilization scope is expanded, and total Energy Efficiency Ratio is improved.
The outdoor machine system is by finned coil, wind turbine 1, blower motor 29, scroll compressor 3, screw shell heat-exhanger
17th, water circulating pump 18, refrigerant fluid reservoir, circulating water pipe, finned coil copper pipe liquid-dividing head, screw shell heat-exhanger refrigerant collection
Liquid head, circulating water pipe connector, expansion valve, pressure gauge and some structural members composition.
17 inner tube of screw shell heat-exhanger walks refrigerant, and outer tube is leaked water.Outer wall insulation adhesive tape is wound.Inner tube has three,
Using the strong titanium alloy screwed pipe of resistance to corrosion, outer tube uses the preferable PPR materials of retractility, is subjected to expanding with heat and contract with cold and being not easy
Cracking.Circulation waterway can be switched over by reversal valve between heat storage water tank heat cycles water and water resource heat pump recirculated water.It is logical
The domestic water of 22 indirectly heat heat storage water tank of water-water heat exchanger is crossed, has ensured and has used the safe and healthy of water.As water source heat
Pump circulation water and by the way of heat is picked up between, prevents the water quality at different water sources to the unfavorable shadow of screw shell heat-exhanger 17
It rings.
In summer, indoor host computer is refrigeration mode.Outdoor unit is responsible for absorb room conditioning coil pipe 25 as condensation end
Heat dissipates away.The refrigerant flow of air-cooled bypass flow and water cooling branch is allocated, realizes the division of two-way dissipation heat ratio.It follows
Ring water flows through the outer tube of screw shell heat-exhanger 17, is water cooled the refrigerant heat of branch by the acting of water circulating pump 10, into
For 45 DEG C of hot water.It is flowed out from outdoor unit outlet pipe, into water-water heat exchanger 22, heats the domestic hot-water of water tank.
In winter, indoor host computer is heating mode.For outdoor unit as evaporation ends, the responsible heat for drawing external environment simultaneously will
It is transferred to interior.The outer water inlet tube of switching screw shell heat-exhanger 17 is the recirculated water of water resource heat pump at this time, and passes through four-way
Reversal valve 4 switches refrigerant flow direction.Similarly, the refrigerant flow of air-cooled bypass flow and water cooling branch is allocated.Recirculated water is taken
Heat with water source heat source flows through the outer tube of screw shell heat-exhanger 17 by water circulating pump 18.Refrigerant in inner tube is drawn
The heat of recirculated water, evaporation become gaseous state.Heat in refrigerant suction air in fan coil 26 simultaneously, also part gas
Change.Vapor phase refrigerant is compressed by screw compressor 3, is delivered to interior, air-conditioning coil condensation heat release indoors.Due to being indirect
Heat is taken, the adaptability of water source heat source is good, can be sanitary sewage, can be in GEOTHERMAL WATER or solar water heater
Water.
In actual operation, the air-flow below wind turbine 1 gathers from surrounding to centre, and upward dispatch.Since screw shell changes
Hot device 17 is placed in radome fairing, and the heat exchange of internal flow is not influenced by cross-ventilated.The shape of radome fairing 27 causes simultaneously
Hold together the flow direction that most of poly- stream condition keeps original across heat exchange fin to center, air current composition does not generate big disorder,
The heat exchange of air-cooled coil pipe 26 is not also had an impact.
After opening backboard, the high screw shell heat-exhanger 17 of frame not only easily carries out installation maintenance operation, also helps down
Side space walks pipe.In addition motor water cooling covers circuit and connects the inlet and outlet of screw shell heat-exhanger 17, can additionally return
Receive minor heat.
Radiating mode outdoor unit is used as condenser.The air-cooled branch of refrigerant can be in parallel and string with water cooling branch
Switch between connection.According to the height of heat exchange rate and the number of required hot water amount, pass through threeway valve regulation in paralleling model
Flow of the score with two branches.It is first pumped in screw shell heat-exhanger 17 in series model refrigerant, exchanges heat with recirculated water,
Extra heat is discharged by air-cooled 26 circuit of coil pipe again.Refrigerant condensation heat release becomes liquid phase.
In screw shell heat-exhanger 17, refrigerant directly exchanges heat with water, and heat exchange efficiency is higher than air-cooled.Water circulating pump
10 flow rate is adjusted, to control exchange rate.Circulating water temperature is higher than environment temperature, by water-water heat exchanger 22
Afterwards, the domestic hot-water put aside in heat storage water tank meets the requirement of hygienic cleaning, bathing etc. also above environment temperature.
Become evaporator in heat absorption pattern outdoor unit.The air-cooled branch of refrigerant is switched to series model with water cooling branch,
Simultaneously by reversal valve the loop switch of recirculated water to Water Source Heat Pump Pattern, i.e., the outer tube circulation of screw shell heat-exhanger 17 and
Recirculated water after source water indirect heat exchange.
In series model, refrigerant first passes through the circuit of screw shell heat-exhanger 17, then the circuit by fan coil 22.
Wrapped up since 17 insulation sponge adhesive tape of screw shell heat-exhanger is wound, the recirculated water of the inside under the driving of water circulating pump 10 with
Fair speed flows, and the temperature of winter source water is generally in or so several years to ten several years, in addition the heat preservation of water source waterpipe is arranged
It applies, though being placed in outdoor, the recirculated water in the outer tube of screw shell heat-exhanger 17 will not freeze.It exchanges heat by screw shell
During the screw thread inner tube of device 17, the temperature of refrigerant starts to increase, and when then flowing into fan coil, will continue to increase, until evaporation
Temperature.Due to the difference of heat exchange efficiency, refrigerant temperature increasing degree degree is higher than in fan coil in 17 inner tube of screw shell heat-exhanger
In 26.Tandem endothermic process so that heat exchange amount is less than conventional heat pump in fan coil 16, and refrigerant evaporating temperature is higher than conventional
Air source heat pump.At low ambient temperatures, generated due to temperature is less than outdoor steam pour point temperature on coil pipe and fin hang frost can
Energy property can reduce, and avoid influence of the frequent defrosting operation to normal heat pump mode operation.Refrigerant is drawn in air simultaneously
The heat of heat and heat source water, evaporation of being heated become gas phase.Heat release is condensed in air-conditioning coil pipe 25 indoors, plays and is supplied for room
Warm effect.If in refrigerant release end of heat, fluorine-water heat exchanger 23 of conventional air-source water heater is set, then can be heat accumulation
Domestic hot-water is manufactured in water tank.
A kind of air conditioner outdoor unit with composite heat-exchange circuit for integrating air-cooled coil pipe and water cooling pipeline, in standard element
On the basis of air conditioner, increase water cooling branch.It is exchanged heat using screw shell, 17, refrigerant is provided and recycles water coke slurry heat
Circulation loop.In water pipeline by a pair of of triple valve（Triple valve 1, triple valve 26）It realizes and cycle water coke slurry heat
Flow selects.In refrigerant flow path, pass through three triple valves（Triple valve 37, triple valve 48, triple valve 59）And check-valves
（First check-valve 19, second check-valve 20）Control, realize the conversion of water cooling branch and air-cooled branch series, parallel relationship.
Refrigeration mode, the water cooling branch of outdoor unit produce the life heat higher than environment temperature while fan coil 26 radiates
Water；Heating mode, outdoor unit become the heat pump unit component for drawing outdoor air thermal energy and water source thermal energy simultaneously.Water cooling branch
Recirculated water be switched to heat source water coke slurry heat, and refrigerant therein concatenation 26 flow path of fan coil.In low temperature outdoor environment
Under, according to heat source water temperature higher than outdoor air, refrigerant evaporating temperature is higher than regular air source warm in heating mode
Pump, the possibility of extension frost is generated due to temperature is less than outdoor steam pour point temperature on coil pipe and fin to be reduced, the low temperature of unit
Adaptability and total Energy Efficiency Ratio are improved.
Four leg frames, 28 structural support super helix double-tube heat exchanger 17 is installed inside coil pipe, it is inside outdoor unit to improve
Space availability ratio.The shell radome fairing 27 of special designing separates screw shell heat-exhanger 17 and the air flowing in machine, makes
Its internal heat exchange is not influenced, and have certain heat insulation function by air heat-exchange, the heat pump mode under enhancing low temperature environment
Run adaptability.The arrangement in machine inner refrigerant pipeline and water route efficiently uses the space below frame peripheral, and and indoor equipment
Or taking over for heat source water all carries on the back extraction by machine, facilitates user installation air-conditioning system.
17 inner tube of core component screw shell heat-exhanger of air-conditioner outdoor unit walks refrigerant, and outer tube is leaked water.Inner tube is anti-corruption
Erosion alloy material is made, and simultaneously insulation sponge wrapping, broad application temperature range are full using the preferable PPR materials of retractility for outer tube
Sufficient refrigerant summer heat dissipation and the demand of winter heat absorption.Outer tube recirculated water and the domestic water in water tank or heat source water change
Thermal process flow does not contact friendship and mixes, and ensure that the health of domestic water and the durable use of outer tube.Heat source water may be selected more than life
Hot water, solar water heater hot water and GEOTHERMAL WATER etc..
This patent is integrated water cooling and air-cooled set composite type air conditioner outdoor unit.Air-cooled branch is using conventional outdoor unit
Fan coil 26, water cooling branch use screw shell heat-exhanger 17.In summer as heat dissipation equipment, with indoor air-conditioning coil pipe
25 and Minitype domestic hot water producing equipment match, fan coil 26 is dissipated in the heat of sending out indoor unit to outdoor air
While, and the surplus heat of water cooling branch draw refrigerant for connecing or concatenating, 17 outer tube of heating coil double-tube heat exchanger follow
Ring water.Recirculated water flows into indoor equipment and heat is returned to domestic water, be higher than its temperature under the driving of water circulating pump 18
Room temperature meets some life requirements.
In winter as the outdoor unit of air source heat pump, and some heat source water lines, such as remaining hot water, solar water,
GEOTHERMAL WATER etc. matches.Circulation waterway exchanges heat, the heat drawn is in screw shell heat-exhanger 17 by switching with heat source water
Refrigerant is transferred to, promotes its evaporation.Water cooling branch concatenates air-cooled branch, and subsequent refrigerant is again through air-cooled coil pipe evaporation endothermic.
Two parts heat is transferred to interior by refrigerant altogether, for room heat supply or produces domestic hot-water.It is achieved in a machine
Multi-purpose, thermal adaptability and heat source applicability are better than conventional air-conditioner outdoor unit.Bosom sets four leg frames, 28 structure branch
Screw shell heat-exhanger 17 is propped up, and using the heat insulating ability radome fairing package screw shell heat-exhanger of special designing, avoids it
Influence of the surrounding flow to set intraductal heat exchange.The pipeline arrangement of 28 periphery lower section of braced frame, effectively utilizes outdoor machine equipment
Inner space.Equipment overall structure is compact, occupies little space.
This patent increases water cooling component, provides multiple functions on the basis of standard element machine outdoor unit.It allows and discharges originally
Heat part in air is recycled, and saves fan energy consumption to a certain extent.Simultaneously when being used as heat pump outdoor unit
Can access various heating sources water route, become water source, air source composite heat pump, heat source is increased using type, and can balance use than
Example plays the role of reducing energy consumption, space-saving.
Claims (6)
1. a kind of integrated water cooling and the outdoor unit of air-cooled heat exchange, including compressor, four-way reversing valve, fan coil, the second expansion
Valve and air-conditioning coil pipe, which is characterized in that further include screw shell heat-exhanger, adjust water pump, water-water heat exchanger, the spiral
Double-tube heat exchanger has carries out the inner tube pipeline of heat exchange and outer tube pipeline each other, and the circulation of inner tube pipeline is refrigerant, outside
The circulation of pipe pipeline is water, and fan coil, inner tube pipeline, the second expansion valve, air-conditioning coil pipe, four-way reversing valve, compressor are sequentially
Connection forms circulation loop, and outer tube pipeline, adjusting water pump, water-water heat exchanger are in turn connected to form circulation loop.
2. a kind of integrated water cooling according to claim 1 and the outdoor unit of air-cooled heat exchange, which is characterized in that further include first
Expansion valve, the first solenoid valve, second solenoid valve, triple valve four, fan coil pass sequentially through the first solenoid valve, the second expansion valve with
Air-conditioning coil pipe connects, and sets triple valve four on the pipeline of compressor connection fan coil, inner tube pipeline connects one end of fan coil
It is additionally coupled to triple valve four.
3. a kind of integrated water cooling according to claim 2 and the outdoor unit of air-cooled heat exchange, which is characterized in that triple valve four connects
Setting triple valve five on the pipeline of inner tube pipeline is connect, triple valve four, which connects, sets triple valve three, wind turbine on the pipeline of fan coil
First check-valve is set on the pipeline of coil pipe connection inner tube pipeline；Triple valve three connects inner tube pipeline by second check-valve；Institute
Fan coil, triple valve three, inner tube pipeline, triple valve five, triple valve four, four-way reversing valve, compressor is stated to be in turn connected to form
Circulation loop；Fluorine-water heat exchanger, third solenoid valve, the 4th solenoid valve are further included, fluorine-water heat exchanger passes through respectively
Three solenoid valves, the 4th solenoid valve are connected to air-conditioning coil pipe and the first expansion valve.
4. a kind of integrated water cooling according to claim 3 and the outdoor unit of air-cooled heat exchange, which is characterized in that further include water source
Heat exchanger, outer tube pipeline form on circulation loop with water-water heat exchanger and are provided separately triple valve one and triple valve two, outside
Pipe pipeline forms circulation loop with triple valve two, water source heat exchanger, triple valve one.
5. a kind of integrated water cooling according to claim 4 and the outdoor unit of air-cooled heat exchange, which is characterized in that the screw-casing
Heat exchange of heat pipe is arranged on bottom and slightly pushes up in thin radome fairing, setting braced frame below the radome fairing, is set in the braced frame
Put compressor.
6. a kind of integrated water cooling according to any one of claim 1 to 5 and the outdoor unit of air-cooled heat exchange, feature exist
In the outer wall winding heat preservation adhesive tape of the screw shell heat-exhanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493282.3A CN108151351A (en) | 2017-12-30 | 2017-12-30 | A kind of integrated water cooling and the Multifucntional outdoor unit of air-cooled heat exchange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493282.3A CN108151351A (en) | 2017-12-30 | 2017-12-30 | A kind of integrated water cooling and the Multifucntional outdoor unit of air-cooled heat exchange |
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| CN110823616A (en) * | 2019-11-21 | 2020-02-21 | 青岛大学 | Desktop type self-supply water heat exchanger performance testing device |
| CN110986406A (en) * | 2019-12-19 | 2020-04-10 | 依米康科技集团股份有限公司 | Multi-split VRV device for machine room, control method and system |
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| CN110006122B (en) * | 2019-04-29 | 2024-05-31 | 河南城建学院 | Rural bubbling method evaporation cold-heat exchange household air conditioning system |
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